No, as long as you're not cutting the frame (and you're not at 2") it will not void the warranty.
In order for anything to void the warranty, they must prove said part that was installed caused the issue.

Hey gents, been doing a lot of research on what type of lift to get.. looking for 6 or 7 inches, but reading all these threads and wanted to know about warranty issues since in have 2017.. what exactly is a "Cross Member" does it need to be cut and does that Void my warranty?? If it does is there a way to not have it cut?? Thanks fellas cheers

Hey gents, been doing a lot of research on what type of lift to get.. looking for 6 or 7 inches, but reading all these threads and wanted to know about warranty issues since in have 2017.. what exactly is a "Cross Member" does it need to be cut and does that Void my warranty?? If it does is there a way to not have it cut?? Thanks fellas cheers